Date: Sun, 26 Nov 2006 08:50:34 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: Robin Becker <robin@reportlab.com> Cc: FreeBSD-Questions <freebsd-questions@freebsd.org> Subject: Re: shell test for stdout=stderr Message-ID: <4569555A.8010904@infracaninophile.co.uk> In-Reply-To: <4568CF28.5050407@jessikat.plus.net> References: <4568CF28.5050407@jessikat.plus.net>
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Robin Becker wrote:
> Is there a way for a shell script to test if 2> is the same as 1>? I
> want to put messages in both when they are connected to different files,
> but would like to avoid duplicating the message when they are the same.
You could try using fstat(1) to print out the open file descriptors from
your process:
fstat -p $$
and then compare the values in the DEV and INUM columns -- unfortunately
fstat has no way to map back from those device and inode values to
filenames.
Cheers,
Matthew
--
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
Kent, CT11 9PW
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